<template>
    <div class="login-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">
            <div class="title-container">
                <h3 class="title">Collext管理系统</h3>
            </div>
            <el-form-item prop="username">
                <span class="svg-container">
                    <svg-icon icon-class="user" />
                </span>
                <el-input ref="username" v-model="loginForm.username" placeholder="Username" name="username" type="text" tabindex="1" autocomplete="on" />
            </el-form-item>
            <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
                <el-form-item prop="password">
                    <span class="svg-container">
                        <svg-icon icon-class="password" />
                    </span>
                    <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType" placeholder="Password" name="password" tabindex="2" autocomplete="on" @blur="capsTooltip = false" @keyup.enter.native="handleLogin" />
                    <span class="show-pwd" @click="showPwd">
                        <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
                    </span>
                </el-form-item>
            </el-tooltip>
            <!-- <el-form-item prop="code" class='codeVer'>
                <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 68%" @keyup.enter.native="handleLogin">
                    <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
                </el-input>
                <div class="login-code">
                    <img :src="codeUrl" @click="getCode" class="login-code-img" />
                </div>
            </el-form-item> -->
            <el-button :loading="loading" type="primary" style="width:100%;margin:30px 0;" @click.native.prevent="handleLogin">登录</el-button>
        </el-form>
    </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import SocialSign from './components/SocialSignin'
import { getCaptcha, login } from '@/api/user'
export default {
    name: 'Login',
    components: { SocialSign },
    data() {
        const validateUsername = (rule, value, callback) => {
            if (value == '') {
                callback(new Error('请输入用户名'))
            } else {
                callback()
            }
            // if (!validUsername(value)) {
            //   callback(new Error('请输入用户名'))
            // } else {
            //   callback()
            // }
        }
        const validatePassword = (rule, value, callback) => {
            if (value == '') {
                callback(new Error('密码没有填写'))
            } else if (value.length < 6) {
                callback(new Error('请输入正确密码'))
            } else {
                callback()
            }
        }
        const validateCode = (rule, value, callback) => {
            if (value == '') {
                callback(new Error('请输入验证码'))
            } else {
                callback()
            }
        }
        return {
            loginForm: {
                username: '',
                password: '',
                code: ''
            },
            loginRules: {
                username: [{ required: true, trigger: 'blur', validator: validateUsername }],
                password: [{ required: true, trigger: 'blur', validator: validatePassword }],
                code: [{ required: true, trigger: 'change', validator: validateCode }]
            },
            passwordType: 'password',
            capsTooltip: false,
            loading: false,
            redirect: undefined,
            otherQuery: {},
            codeUrl: ''
        }
    },
    watch: {
        
        $route: {
            handler: function (route) {
                const query = route.query
                if (query) {
                    this.redirect = query.redirect
                    this.otherQuery = this.getOtherQuery(query)
                }
            },
            immediate: true
        }
    },
    created() {
        // window.addEventListener('storage', this.afterQRScan)
    },
    mounted() {
        if (this.loginForm.username === '') {
            this.$refs.username.focus()
        } else if (this.loginForm.password === '') {
            this.$refs.password.focus()
        }
        // this.getCode()
    },
    destroyed() {
        // window.removeEventListener('storage', this.afterQRScan)
    },
    methods: {
        // 获取验证码
        getCode() {
            getCaptcha().then(res => {
                this.codeUrl = window.URL.createObjectURL(res)
            })
        },
        showPwd() {
            if (this.passwordType === 'password') {
                this.passwordType = ''
            } else {
                this.passwordType = 'password'
            }
            this.$nextTick(() => {
                this.$refs.password.focus()
            })
        },
        handleLogin() {
            this.$refs.loginForm.validate(valid => {
                if (valid) {
                    this.loading = true

                    this.$store.dispatch('user/login', this.loginForm)
                        .then(() => {
                            this.$router.push({ path: this.redirect || '/industry/advert/add', query: this.otherQuery })
                            this.loading = false
                        })
                        .catch(() => {
                            this.loading = false
                        })
                } else {
                    console.log('error submit!!')
                    return false
                }
            })
        },
        getOtherQuery(query) {
            return Object.keys(query).reduce((acc, cur) => {
                if (cur !== 'redirect') {
                    acc[cur] = query[cur]
                }
                return acc
            }, {})
        }

    }
}
</script>

<style lang="scss">
$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
        color: $cursor;
    }
}

/* reset element-ui css */
.login-container {
    .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
            background: transparent;
            border: 0px;
            -webkit-appearance: none;
            border-radius: 0px;
            padding: 12px 5px 12px 15px;
            color: $light_gray;
            height: 47px;
            caret-color: $cursor;

            &:-webkit-autofill {
                box-shadow: 0 0 0px 1000px $bg inset !important;
                -webkit-text-fill-color: $cursor !important;
            }
        }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(0, 0, 0, 0.1);
        border-radius: 5px;
        color: #454545;
    }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
        position: relative;
        width: 520px;
        max-width: 100%;
        padding: 160px 35px 0;
        margin: 0 auto;
        overflow: hidden;
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: $dark_gray;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;

        .title {
            font-size: 26px;
            color: $light_gray;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }
    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: $dark_gray;
        cursor: pointer;
        user-select: none;
    }

    .thirdparty-button {
        position: absolute;
        right: 0;
        bottom: 6px;
    }
    .codeVer {
        background-color: #2d3a4b;
        border: none;
        ::v-deep .el-input__inner {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(0, 0, 0, 0.1);
        }
    }
    .login-code {
        width: 28%;
        height: 47px;
        float: right;
        img {
            width: 100%;
            height: 47px;
            cursor: pointer;
            vertical-align: middle;
        }
    }

    @media only screen and (max-width: 470px) {
        .thirdparty-button {
            display: none;
        }
    }
}
</style>
